* {
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    width: 100%;
}

body {
    background-color: #2b3c4d;
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

h1 {
    text-align: center;
}

form {
    margin-top: 20px;
    height: 290px;
    width: 540px;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

form input {
    margin-bottom: 20px;
    height: 40px;
    width: 330px;
    outline: none;
    padding-left: 8px;
    border-radius: 4px;
    border: 1px solid gray;
}

button {
    background-color: #409eff;
    color: #fff;
    font-weight: bold;
    font-size: 18px;
    width: 100px;
    height: 40px;
    border: 1px solid gray;
    text-align: center;
}